Gears - Simple Machines

Key terms:  rotation, teeth, mechanical advantage What is a gear? A gear is a wheel and axle that has teeth along the wheel. Often they are used in combination with one another and change the

Simple Machine Gears Working Footage. 27959590 Stock Video at Vecteezy

Gears - Simple Machines

Ages 8+, Introduce your students to simple machines: gears!, Includes 198 colorful parts to make seven different replicas of real world simple

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